His research interests include quantum information science, wireless communication, and nanonetworks. He was honored with the Knowledge Creation Award in the field of Computer Science from Korean Ministry of Education, Science and Technology (2010). He received the IEEE William R. Bennett Prize Paper Award (2012) and the IEEE Guglielmo Marconi Prize Paper Award (2008). He served as a Publicity co-chair for the IEEE PIMRC (2018) and a Technical Program co-chair for the IEEE WCNC (PHY Track 2009), the IEEE Globecom (Communication Theory Symposium 2012, Cognitive Radio and Networks Symposium 2016). He was an Editor for IEEE Transactions on Wireless Communications (2007-2012) and IEEE Communications Letters (2013-2015). He is a Fellow of IEEE.